diff --git a/src/gui/channellist.cpp b/src/gui/channellist.cpp
index 91eaa3395..92cad4d56 100644
--- a/src/gui/channellist.cpp
+++ b/src/gui/channellist.cpp
@@ -2123,7 +2123,7 @@ void CChannelList::paintHead()
 
 	if (g_Sectionsd->getIsTimeSet()) {
 		if (headerClock == NULL) {
-			headerClock = new CComponentsFrmClock(0, 0, 0, 0, "%H:%M");
+			headerClock = new CComponentsFrmClock(0, 0, 0, 0, "%H:%M", true);
 			headerClock->setClockBlink("%H %M");
 			headerClock->setClockIntervall(1);
 
diff --git a/src/gui/components/cc_frm_clock.cpp b/src/gui/components/cc_frm_clock.cpp
index c3d6e6bfe..e329ed275 100644
--- a/src/gui/components/cc_frm_clock.cpp
+++ b/src/gui/components/cc_frm_clock.cpp
@@ -76,11 +76,10 @@ void CComponentsFrmClock::initVarClock(	const int& x_pos, const int& y_pos, cons
 	cl_thread 		= 0;
 	cl_interval		= 1;
 
-	activeClock		= true;
 	cl_blink_str		= "";
 	paintClock		= false;
 
-	activeClock	= activ;
+	activeClock		= activ;
 	if (activeClock)
 		startThread();
 }
@@ -373,3 +372,12 @@ Font** CComponentsFrmClock::getClockFont()
 	return cl_font;
 
 }
+
+void CComponentsFrmClock::setClockActiv(bool activ/* = true*/)
+{
+	activeClock = activ;
+	if (activ && !cl_thread)
+		startThread();
+	if (!activ && cl_thread)
+		stopThread();
+}
diff --git a/src/gui/components/cc_frm_clock.h b/src/gui/components/cc_frm_clock.h
index f9065f877..81e0e7a59 100644
--- a/src/gui/components/cc_frm_clock.h
+++ b/src/gui/components/cc_frm_clock.h
@@ -94,7 +94,7 @@ class CComponentsFrmClock : public CComponentsForm
 
 	public:
 		CComponentsFrmClock( 	const int& x_pos = 1, const int& y_pos = 1, const int& w = 200, const int& h = 48,
-					const char* format_str = "%H:%M", bool activ=true, bool has_shadow = CC_SHADOW_OFF,
+					const char* format_str = "%H:%M", bool activ=false, bool has_shadow = CC_SHADOW_OFF,
 					fb_pixel_t color_frame = COL_LIGHT_GRAY, fb_pixel_t color_body = COL_MENUCONTENT_PLUS_0, fb_pixel_t color_shadow = COL_MENUCONTENTDARK_PLUS_0);
 		virtual ~CComponentsFrmClock();
 
@@ -134,7 +134,7 @@ class CComponentsFrmClock : public CComponentsForm
 		virtual void refresh() { initCCLockItems(); }
 
 		///set clock activ/inactiv
-		virtual void setClockActiv(bool activ = true){activeClock = activ;};
+		virtual void setClockActiv(bool activ = true);
 };
 
 #endif
diff --git a/src/gui/test_menu.cpp b/src/gui/test_menu.cpp
index ef833b272..b6a8efcba 100644
--- a/src/gui/test_menu.cpp
+++ b/src/gui/test_menu.cpp
@@ -610,7 +610,7 @@ int CTestMenu::exec(CMenuTarget* parent, const std::string &actionKey)
 	}
 	else if (actionKey == "running_clock"){	
 		if (clock_r == NULL){
-			clock_r = new CComponentsFrmClock(100, 50, 0, 50, "%H.%M:%S");
+			clock_r = new CComponentsFrmClock(100, 50, 0, 50, "%H.%M:%S", true);
 			clock_r->setClockFont(SNeutrinoSettings::FONT_TYPE_INFOBAR_CHANNAME);
 			clock_r->setClockIntervall(1);
 // 			clock_r->doPaintBg(false);